Research Article

Nonlinear Seismic Response Characteristics of CAP1400 Nuclear Island Structure on Soft Rock Sites

Table 2

Comparison of the first two order modes of the nuclear island structure model.

TypeNuclear island structure (m)Calculation platformNatural vibration frequency (Hz)
HeightDiameterThickness1stError2ndError

CNP1000 (Duan et al. [18])48.0040.001.10MSC. MARC4.341.88%4.382.23%
CNP1000 (Zhang et al. [19])48.0040.001.10SAP20004.485.16%4.520.89%
CPR1000 (Yi et al. [20])66.6837.000.90ANASYS4.220.94%4.284.46%
AP1000 (Wang and Yang [11])83.3644.201.00ABAQUS3.927.98%4.255.13%
AP1000 (Wang et al. [21])83.3744.20.912ANASYS4.045.16%4.049.82%
CAP1400 (Li et al. [22])87.7549.971.10ABAQUS3.996.34%4.352.90%
CAP1400 (this research)87.7549.971.10ABAQUS4.264.48

Note. Error = (calculation result of existing literature − calculation result in this research)/calculation result in this research × 100%.